<ul class="crises">
  <li *ngFor="let crisis of crises$ | async" [class.selected]="crisis.id === selectedId">
    <a [routerLink]="[crisis.id]">
      <span class="badge">{{ crisis.id }}</span>{{ crisis.name }}
    </a>
  </li>
</ul>
<div style="background-color: skyblue;padding: 10px 10px;">
  <router-outlet></router-outlet>
</div>

